### [CVE-2021-21889](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21889)
![](https://img.shields.io/static/v1?label=Product&message=Lantronix&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=Lantronix%20PremierWave%202050%208.9.0.0R4%20(in%20QEMU)%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-121%3A%20Stack-based%20Buffer%20Overflow&color=brightgreen)

### Description

A stack-based buffer overflow vulnerability exists in the Web Manager Ping functionality of Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU). A specially crafted HTTP request can lead to remote code execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.

### POC

#### Reference
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1333

#### Github
No PoCs found on GitHub currently.